(0 12 8 4 2)(1 21 19)(3 15 11 9 5)(6 10 7)(13 17 16)(14 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 4 9)

(0 5 3 15 11 9 2)(1 21 19)(4 12 8)(6 10 7)(13 17 16)(14 20 18)
2: (3 15 5)

(0 5 11 9 2)(1 21 19)(3)(4 12 8)(6 10 7)(13 17 16)(14 20 18)(15)
3: (4 12 8)

(0 5 11 9 2)(1 21 19)(3)(4)(6 10 7)(8)(12)(13 17 16)(14 20 18)(15)
4: (0 5 11)

(0 9 2)(1 21 19)(3)(4)(5)(6 10 7)(8)(11)(12)(13 17 16)(14 20 18)(15)